Thomas Munro <thomas.munro@gmail.com> writes:
> I'm curious, though... if we used compiler builtins, would
> -march/-mcpu etc know about this kind of thing, for people who wanted
> to compile on ancient hardware, or, I guess more interestingly, newer
> tricks that we haven't got around to learning about yet?
No idea, but I could run some tests if you have something
specific in mind.
regards, tom lane
